Answer:
A
Explanation:
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The answer is B.) animals at the end of the food chain would not get enough food to stay alive.
I’m not sure but I think the answer is B or D
Answer:
Agriculture and domestication probably started in the Fertile Crescent (the Nile Valley, The Levant and Mesopotamia). ... People probably started agriculture slowly by planting a few crops, but still gathered many foods from the wild. People may have started farming because the weather and soil began to change.
Explanation:
A chemical reaction bonding monomers together to make a polymer